cache-header-builder.md

CacheHeaderBuilder class

The CacheHeaderBuilder class is used to build cache headers like Cache-Control, ETag.

Usage

No-cache

Strongly no caching. No caching in browser, no caching in proxy.

Recommended for sensitive data or data that changes frequently.

$noCacheHeaders = (new CacheHeaderBuilder())
    ->noCache()
    ->toHeaders();

Caching in browser in private mode

Caching in browser for 1 hour. No caching in proxy.

$headers = (new CacheHeaderBuilder())
    ->maxAge(hours: 1)
    ->private()
    ->toHeaders();

Caching public

Caching in browser (and in proxy) for 1 hour.

$headers = (new CacheHeaderBuilder())
    ->maxAge(hours: 1)
    ->public()
    ->toHeaders();

Caching in CDN

Caching in CDN for 60 seconds, and in browser for 30 seconds.

$headers = (new CacheHeaderBuilder())
    ->maxAge(30)
    ->public()
    ->sharedMaxAge(60)
    ->toHeaders();